The genotypes that have lower canopy temperature is named cold type wheat (CTW) and which have higher canopy temperature is named warm type wheat (WTW) in same ecological environment.

• 根据灌浆结实期不同小麦基因型群体冠层温度的差异,将多年来冠层温度持续偏低的基因型称为冷型小麦;冠层温度持续偏高的基因型称为暖型小麦。